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Daniel Jeong7f6b11a2013-10-16 04:12:19 -03001/*
2 * include/media/lm3560.h
3 *
4 * Copyright (C) 2013 Texas Instruments
5 *
6 * Contact: Daniel Jeong <gshark.jeong@gmail.com>
7 * Ldd-Mlp <ldd-mlp@list.ti.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25#ifndef __LM3560_H__
26#define __LM3560_H__
27
28#include <media/v4l2-subdev.h>
29
30#define LM3560_NAME "lm3560"
31#define LM3560_I2C_ADDR (0x53)
32
33/* FLASH Brightness
34 * min 62500uA, step 62500uA, max 1000000uA
35 */
36#define LM3560_FLASH_BRT_MIN 62500
37#define LM3560_FLASH_BRT_STEP 62500
38#define LM3560_FLASH_BRT_MAX 1000000
39#define LM3560_FLASH_BRT_uA_TO_REG(a) \
40 ((a) < LM3560_FLASH_BRT_MIN ? 0 : \
41 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
42#define LM3560_FLASH_BRT_REG_TO_uA(a) \
43 ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
44
45/* FLASH TIMEOUT DURATION
46 * min 32ms, step 32ms, max 1024ms
47 */
48#define LM3560_FLASH_TOUT_MIN 32
49#define LM3560_FLASH_TOUT_STEP 32
50#define LM3560_FLASH_TOUT_MAX 1024
51#define LM3560_FLASH_TOUT_ms_TO_REG(a) \
52 ((a) < LM3560_FLASH_TOUT_MIN ? 0 : \
53 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
54#define LM3560_FLASH_TOUT_REG_TO_ms(a) \
55 ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
56
57/* TORCH BRT
58 * min 31250uA, step 31250uA, max 250000uA
59 */
60#define LM3560_TORCH_BRT_MIN 31250
61#define LM3560_TORCH_BRT_STEP 31250
62#define LM3560_TORCH_BRT_MAX 250000
63#define LM3560_TORCH_BRT_uA_TO_REG(a) \
64 ((a) < LM3560_TORCH_BRT_MIN ? 0 : \
65 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
66#define LM3560_TORCH_BRT_REG_TO_uA(a) \
67 ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
68
69enum lm3560_led_id {
70 LM3560_LED0 = 0,
71 LM3560_LED1,
72 LM3560_LED_MAX
73};
74
75enum lm3560_peak_current {
76 LM3560_PEAK_1600mA = 0x00,
77 LM3560_PEAK_2300mA = 0x20,
78 LM3560_PEAK_3000mA = 0x40,
79 LM3560_PEAK_3600mA = 0x60
80};
81
82/* struct lm3560_platform_data
83 *
84 * @peak : peak current
85 * @max_flash_timeout: flash timeout
86 * @max_flash_brt: flash mode led brightness
87 * @max_torch_brt: torch mode led brightness
88 */
89struct lm3560_platform_data {
90 enum lm3560_peak_current peak;
91
92 u32 max_flash_timeout;
93 u32 max_flash_brt[LM3560_LED_MAX];
94 u32 max_torch_brt[LM3560_LED_MAX];
95};
96
97#endif /* __LM3560_H__ */